<!DOCTYPE html>
<html>
  <head>
    <title>测试文档</title>
    <style>
        .test {
          color: red;
        }
      </style>
  </head>
  <body>
    <h1>测试文档</h1>
    <p>这是一个测试文档.</p>
    <p>This is a test</p>
  </body>
  <script>
    console.log('Hello, world!')
  </script>
  <script src="test.js"></script>
</html>
